The invention generally provides systems and methods for producing a chemical product. In certain embodiments, the invention provides systems that include a chemical product production unit. The chemical production unit includes a plurality of microfluidic modules configured to be fluidically coupled to each other in an arrangement that produces a chemical product from an input of a plurality of starting reagents that react with each other due to conditions within the plurality of microfluidic modules through which the starting reagents flow. The system also includes a droplet dispenser fluidically coupled to the chemical product production unit that forms and dispenses droplets of the chemical product.

The invention relates to a flow element for transferring fluids comprising a capillary cartridge (1) having an integrated capillary line (3). The capillary cartridge according to the invention (1) has a ring-shaped channel (8) and securing grooves (6, 6), wherein the flow element is characterized in that the capillary line (3) is arranged in the ring-shaped channel (8). The ends of the capillary lines (3) are connected to connection elements (9) in which securing grooves (6, 6) are secured in a positive locking manner. The flow elements according to the invention contribute toward improved manageability and effectiveness of components. In a preferred embodiment, the flow elements are used as a distribution system in the form of a plurality of capillary cartridges (1-1, 1-2, . . . ). Such distribution systems are of technical importance in the field of catalyst testing apparatuses with reactors arranged in parallel.

A flow reactor has a module having a process fluid passage with an interior surface, a portion of the passage including a cross section along the portion having a cross-sectional shape, and a cross-sectional area with multiple minima along the passage. The cross-sectional shape varies continually along the portion and the interior surface of the portion includes either no pairs of opposing flat parallel sides or only pairs of opposing flat parallel sides which extend for a length of no more than 4 times a distance between said opposing flat parallel sides along the portion and the portion contains a plurality of obstacles distributed along the portion.

The present application concerns a microfluidic cassette for synthesizing a radiotracer including a microfluidic circuit in a support card that includes at least one intake for supply by a vial, at least one isotope port, at least one reaction chamber, at least one mixing chamber, at least one formulation chamber, and at least one connection for a syringe, linked together by capillaries. Also disclosed is a method for synthesizing a radiotracer in such a cassette.

Disclosed herein are compositions and fluidic devices that include a filler fluid having a siloxane block co-polymer solubilized in the filler fluid. Also disclosed herein are related kits and methods for using the fluidic devices for various uses, such as the polymerase chain reaction or preparations for sequencing reactions.

A method of forming complex structures in a ceramic-, glass- or glass-ceramic-body microfluidic module is disclosed including the steps of providing at green-state refractory-material structure comprising least a portion of a body of a microfluidic module, providing a removeable insert formed of a carbon or of a carbonaceous material having an external surface comprising a negative surface of a desired surface to be formed in the microfluidic module, machining an opening in the green-state structure, positioning the insert in the opening, firing the green-state structure and the insert together, and after firing is complete, removing the insert. The insert is desirably a screw or screw shape, such that interior threads are formed thereby. The insert desirably comprises graphite, and the structure desirably comprises ceramic, desirably silicon carbide.

A reactor system for high throughput applications includes a plurality of reactor assemblies, each reactor assembly including: a fluid source, which fluid source is adapted to provide a pressurized fluid to the flow-through reactors, a flow splitter which flow splitter includes a planar microfluidic chip, which microfluidic chip has a chip inlet channel and a plurality of chip outlet channels, which microfluidic chip further includes a plurality of flow restrictor channels, where each flow restrictor channel extends from said chip inlet channel to an associated chip outlet channel, where the chip inlet channel and the chip outlet channels each have a diameter, where the diameter of the chip inlet channel is the same or less than the length of said chip inlet channel and where the diameter of each chip outlet channel is the same or less than the length of said chip outlet channel.

A flow reactor or flow reactor component includes a base plate, a first fluid module having first and second major surfaces, an internal process fluid passage, and a heat exchange channel in the first major surface, the first major surface stacked on the base plate; a second fluid module having first and second major surfaces, an internal process fluid passage and a heat exchange channel in the first major surface, the first major surface stacked on the second major surface of the first fluid module, optional additional fluid modules of the same configuration as the first and second fluid modules stacked successively on the second fluid module, and a top plate having a heat exchange channel in a bottom major surface thereof with the bottom major surface stacked on an uppermost fluid module of (1) the second fluid module and (2) the optional additional fluid modules.

Provided is a microreactor which can be produced at a lower cost. The microreactor has a transfer means for transferring a liquid raw material using the pressure of a gas. The microreactor has a raw material tank for storing the liquid raw material. The transfer means for transferring a liquid raw material can transfer the liquid raw material stored in the raw material tank using the pressure of a gas in the raw material tank. A pipe which connects the raw material tank and the next device is preferably provided with a small diameter portion.

A photovoltaic apparatus comprising: at least one photovoltaic surface electrically connected to a set of photovoltaic electrodes; and a chemical reactor electrically connected to the set of photovoltaic electrodes. The chemical reactor enables N pairwise fluid contacts among k chemical fluids, with k2 and N4 and comprises: a reaction layer extending in a plane subtended by two directions; N chemical cells, each including two circuit portions, designed for enabling circulation of two of the k chemical fluids, respectively, the two circuit portions intersecting each other, thereby enabling one pairwise fluid contact for the two of the k chemical fluids; and a fluid distribution circuit comprising: k sets of inlet orifices sequentially alternating along lines parallel to one of the two directions; and k sets of outlet orifices sequentially alternating along lines parallel to the inlet orifices, and wherein, each circuit portion connects an inlet orifice to an outlet orifice.